Production of thin hot strips of high silicon bearing FeSi-strip using the integrated technology of thin slab casting and hot rolling
采用薄板坯连铸热轧一体化技术生产高硅硅铁薄带材
基本信息
- 批准号:255681924
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Units
- 财政年份:2014
- 资助国家:德国
- 起止时间:2013-12-31 至 2017-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Within the first phase of the project, various hot rolling strategies weredeveloped for the production of a thin, 1 mm thick hot strip of the Fe-2,4 wt.-% Si alloy using the conventional hot rolling process withprevious reheating and the integrated thin slab casting technology.The interactions of the individual process steps and the influence ofthe hot strip on the magnetic properties could be demonstrated. Withboth methods of hot strip production, it is possible to roll different hotstrip structures and textures for hot strip thicknesses between 1 mmand 2.5 mm. The hot strip states like hardened, partially softened andsoftened could be realised. Significant differences in texture withmagnetically advantageous and unfavorable textures were foundacross the strip thickness. The hot rolling process was investigatedexperimentally and simulatively. For this purpose, the hardening andsoftening behavior was investigated experimentally and simulativelydescribed by semi-empirically and physically based models. For aholistic view of the production of non-grain-oriented electrical sheetsand of the continuous process modeling, the modeling of the materialflow and the microstructural development after hot forming is anessential component with the layer model developed at the IMF as thebasis. The influence of the hot strip on the structure of the finalannealed samples and on the magnetic properties was also analyzed.In the second phase, the simulation of the hot rolling process and themicrostructure development during hot rolling as well as theexperimental work will be continued. Aim is to define hot stripstructures for specific applications with defined magnetic properties,to produce them in a targeted manner and to derive applicationorientedhot rolling strategies. Therefore, in cooperation with the othersubprojects of the research group, using an alloy with a high Sicontent (2.8 wt.% Si) is planed. This makes it possible to investigatethe influence of the alloy on the production process, especially hotrolling, the material behavior during hot forming and the effects on themagnetic properties. Based on the findings of the first phase of theproject, a thin hot strip is produced with a favorable initial state for thecold rolling and for the magnetic properties by means of adaptationsof the rolling strategies, whereby the intended hot strip annealingoffers further possibilities of the microstructure setting. The alteredhardening and softening behavior of the alloy with high Si content willbe also taken into account. The submodels of the individual processstages are linked to one another in cooperation with the projectpartners with the aim of experimentally imaging the theoreticallyderived process parameters and producing a non-grain-orientedelectrical sheet adapted to the defined requirements of thedemonstrator.
在项目的第一阶段,开发了各种热轧策略,以生产1毫米厚的fe -2,4 wt.-% Si合金热轧带钢,使用传统的热轧工艺和先前的再加热和集成的薄板坯铸造技术。可以证明各个工艺步骤的相互作用和热带对磁性能的影响。使用这两种热带钢生产方法,可以轧制不同的热带钢结构和纹理,热带钢厚度在1毫米至2.5毫米之间。热带硬化、部分软化、软化等状态可以实现。磁性有利和不利的织构在条带厚度上存在显著差异。对热轧过程进行了实验和模拟研究。为此,通过半经验模型和基于物理的模型对其硬化和软化行为进行了实验和模拟研究。为了全面了解无晶粒取向电薄板的生产和连续过程建模,以IMF开发的层模型为基础,热成形后材料流动和微观组织发展的建模是必不可少的组成部分。分析了热带对退火后试样组织和磁性能的影响。在第二阶段,将继续进行热轧过程的模拟和热轧过程中微观组织的发展以及实验工作。目的是定义具有特定磁性的特定应用的热带结构,以有针对性的方式生产它们,并推导出面向应用的热轧策略。因此,与研究小组的其他子项目合作,计划使用高硅含量(2.8 wt.% Si)的合金。这使得研究合金对生产过程的影响,特别是控制,热成形过程中的材料行为以及对磁性能的影响成为可能。根据该项目第一阶段的研究结果,通过调整轧制策略,生产出具有有利于冷轧和磁性能的初始状态的薄热带钢,从而预期的热带钢退火为微观结构设置提供了进一步的可能性。高Si含量合金的硬化和软化行为也将被考虑在内。各个工艺阶段的子模型与项目合作伙伴相互关联,目的是对理论推导的工艺参数进行实验成像,并生产出符合演示器定义要求的非晶粒定向电片。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr.-Ing. Rudolf Kawalla其他文献
Professor Dr.-Ing. Rudolf Kawalla的其他文献
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{{ truncateString('Professor Dr.-Ing. Rudolf Kawalla', 18)}}的其他基金
Integrative material and process model for the correlation of phase morphology and flow behavior of spheroidization annealed low-alloyed carbon steels
球化退火低合金碳钢相形态与流动行为相关的综合材料和工艺模型
- 批准号:
433641220 - 财政年份:2019
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Research Grants
The use of rapid microstructure analysis for qualilty assurance and process optimization in the wire manufacturing
使用快速微观结构分析在线材制造中的质量保证和工艺优化
- 批准号:
232633026 - 财政年份:2013
- 资助金额:
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Research Grants (Transfer Project)
Gefügeausbildung und Textur beim Kaltwalzen und Glühen von höhersilizierten FeSi Stählen
高硅FeSi钢冷轧和退火过程中的显微组织和织构
- 批准号:
183351550 - 财政年份:2011
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Research Grants
Entfestigungsmechanismen und deren Kinetik bei der Fertigung von Warmband aus FeSi-Basislegierungen mit und ohne Phasenumwandlung
具有和不具有相变的 FeSi 基合金热轧带材生产中的软化机制及其动力学
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57075230 - 财政年份:2007
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Research Grants
Koordinierungsaufgaben im Schwerpunktprogramm "Algorithmen zur schnellen, werkstoffgerechten Prozesskettengestaltung und -analyse in der Umformtechnik"
优先计划“金属成形技术中快速、材料友好的工艺链设计和分析算法”中的协调任务
- 批准号:
29855965 - 财政年份:2006
- 资助金额:
-- - 项目类别:
Priority Programmes
Simulationssystem zur schnellen Analyse des mehrstufigen Warmwalzens von Band und Stabstahl-Draht
带钢、棒线材多级热轧快速分析仿真系统
- 批准号:
29795623 - 财政年份:2006
- 资助金额:
-- - 项目类别:
Priority Programmes
Gekoppelte Simulation der Verformungs- und Rekristallisationstexturentwicklung bei der Halbwarmumformung von Magnesiumlegierungen
镁合金温成形过程中变形与再结晶织构发展的耦合模拟
- 批准号:
5428034 - 财政年份:2004
- 资助金额:
-- - 项目类别:
Priority Programmes
Gekoppelte Simulation der Verformungs- und Rekristallisationstexturentwicklung bei der Halbwarmumformung von Magnesiumlegierungen
镁合金温成形过程中变形与再结晶织构发展的耦合模拟
- 批准号:
5428036 - 财政年份:2004
- 资助金额:
-- - 项目类别:
Priority Programmes
Ultra thin, deformable, firmly adhering tertiary scale layers at unalloyed and low alloyed steels
超薄、可变形、牢固粘附到非合金钢和低合金钢上的三级氧化皮层
- 批准号:
5352216 - 财政年份:2002
- 资助金额:
-- - 项目类别:
Research Grants
相似国自然基金
相对论中的薄球壳模型及其在宇宙论中的应用
- 批准号:10605006
- 批准年份:2006
- 资助金额:20.0 万元
- 项目类别:青年科学基金项目
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